232
FZUS51 KBOX 301105
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 AM EDT MON MAR 30 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-310000-
705 AM EDT MON MAR 30 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES S OF THE WATERS WILL MAINTAIN GUSTY SW WINDS TODAY. A
BACKDOOR COLD FRONT APPROACHES FROM THE N TONIGHT, AND LINGERS
NEARBY INTO TUE. A LOW PRES MOVING ACROSS THE GREAT LAKES INTO
THE SAINT LAWRENCE VALLEY WILL BRING A ROUND OF SHOWERS TO THE
WATERS TONIGHT LATER TUE INTO WED. ANOTHER LOW PRES SHOULD
APPROACH THE GREAT LAKES LATE THIS WEEK, MEANING MORE POSSIBLE
SHOWERS THU INTO FRI.
ANZ250-310000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF RAIN
THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 5 SECONDS, BECOMING S
5 FT AT 6 SECONDS AND NE 2 FT AT 6 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
WED
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 5 FT
AT 6 SECONDS AND NE 2 FT AT 6 SECONDS. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 3 FT AT
7 SECONDS. A CHANCE OF RAIN.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-310000-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SE WINDS 10 TO 15 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. WAVE DETAIL: SE 1 FOOT AT 4 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING S 2 FT AT 7 SECONDS AND SE 1 FOOT
AT 4 SECONDS. RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS. A
CHANCE OF RAIN AFTER MIDNIGHT.
WED
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
NE 2 FT AT 6 SECONDS. A CHANCE OF RAIN.
WED NIGHT
N WINDS AROUND 15 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND NW 2 FT AT
3 SECONDS. A CHANCE OF RAIN.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A
CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-310000-
CAPE COD BAY-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF RAIN
THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND S 3 FT AT
7 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 1 FOOT
OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS, BECOMING SW 2 FT
AT 3 SECONDS AND S 2 FT AT 7 SECONDS. RAIN LIKELY, MAINLY IN THE
MORNING.
TUE NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 4 SECONDS AND S 3 FT AT 7 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND S 3 FT AT 7 SECONDS.
A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
8 SECONDS AND W 2 FT AT 4 SECONDS. RAIN LIKELY.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A
CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-310000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT, SUBSIDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 7 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING S 5 FT AT
8 SECONDS AND W 2 FT AT 4 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND W 2 FT AT 4 SECONDS. RAIN LIKELY, MAINLY IN THE
MORNING.
TUE NIGHT
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 6 TO 9 FT AFTER
MIDNIGHT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS, BECOMING S 8 FT AT 8 SECONDS AND SW 2 FT AT 5 SECONDS.
WED
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 FT. WAVE DETAIL: S 9 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS, BECOMING S 4 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS.
A CHANCE OF RAIN.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-310000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TODAY
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT THIS
AFTERNOON. SEAS 5 TO 7 FT, BUILDING TO 7 TO 10 FT THIS AFTERNOON.
WAVE DETAIL: SW 7 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS,
BECOMING SW 10 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT.
WAVE DETAIL: SW 9 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS,
BECOMING SW 7 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE
OF RAIN AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. RAIN LIKELY.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT, BUILDING TO 9 TO 12 FT AFTER MIDNIGHT. WAVE DETAIL: SW
9 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 12 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. WAVE DETAIL: SW 12 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 7 TO 10 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS, BECOMING S 6 FT AT 8 SECONDS AND N 2 FT AT 3 SECONDS.
RAIN LIKELY.
THU
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
THU NIGHT THROUGH FRI NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-310000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TODAY
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT THIS
AFTERNOON. SEAS 5 TO 8 FT, BUILDING TO 7 TO 9 FT THIS AFTERNOON.
WAVE DETAIL: SW 7 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS,
BECOMING SW 9 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. A
SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: SW 9 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 7 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E
1 FOOT AT 9 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 10 FT, BUILDING TO 9 TO 12 FT AFTER MIDNIGHT. WAVE DETAIL: S
9 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 11 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. WAVE DETAIL: SW 11 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 7 TO 10 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS, BECOMING S 6 FT AT 8 SECONDS AND NE 2 FT AT 3 SECONDS.
RAIN LIKELY.
THU AND THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. A CHANCE OF RAIN.
FRI AND FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO
25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-310000-
NANTUCKET SOUND-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 4 SECONDS AND SW 3 FT AT 8 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SW 3 FT AT
8 SECONDS, BECOMING SW 5 FT AT 5 SECONDS AND SW 4 FT AT
8 SECONDS.
WED
SW WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND
SW 4 FT AT 8 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SW 3 FT AT
8 SECONDS. RAIN LIKELY.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A
CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-310000-
VINEYARD SOUND-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT THIS
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND
SW 2 FT AT 4 SECONDS. A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: SW
6 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS, BECOMING SW 8 FT AT
8 SECONDS AND SW 3 FT AT 4 SECONDS.
WED
SW WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: SW 8 FT
AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS. RAIN LIKELY.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-310000-
BUZZARDS BAY-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT THIS
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND
SW 4 FT AT 4 SECONDS. A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 7 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS.
RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS
AND SW 4 FT AT 4 SECONDS.
WED
SW WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT
AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND W
2 FT AT 4 SECONDS. RAIN LIKELY.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-310000-
RHODE ISLAND SOUND-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TODAY
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT THIS
AFTERNOON. SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT THIS AFTERNOON.
WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS,
BECOMING SW 8 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. A SLIGHT
CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
A CHANCE OF RAIN AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS. RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: S
7 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING S 10 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 FT. WAVE DETAIL: S
10 FT AT 8 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
WED NIGHT
W WINDS 15 TO 20 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND NE 2 FT AT
3 SECONDS. RAIN LIKELY.
THU AND THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. A CHANCE OF RAIN.
FRI AND FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-310000-
BLOCK ISLAND SOUND-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND W 2 FT AT 4 SECONDS. A SLIGHT CHANCE OF RAIN
THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS. A
CHANCE OF RAIN AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: S
6 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS, BECOMING S 7 FT AT
8 SECONDS AND W 3 FT AT 5 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. WAVE DETAIL: S 7 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS. A
CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 5 TO 7 FT, SUBSIDING TO 3 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS, BECOMING S 5 FT AT 8 SECONDS AND NE 2 FT AT 3 SECONDS.
RAIN LIKELY.
THU AND THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. A CHANCE OF RAIN.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-310000-
BOSTON HARBOR-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A SLIGHT CHANCE OF RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
A CHANCE OF RAIN AFTER MIDNIGHT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. RAIN LIKELY,
MAINLY IN THE MORNING.
TUE NIGHT
SE WINDS 10 TO 15 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES AROUND 2 FT. A CHANCE OF RAIN IN THE MORNING,
THEN RAIN LIKELY IN THE AFTERNOON.
WED NIGHT
N WINDS 10 TO 15 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT
OR LESS. A CHANCE OF RAIN.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-310000-
NARRAGANSETT BAY-
705 AM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT. A SLIGHT CHANCE OF
RAIN THIS AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT. A CHANCE OF RAIN
AFTER MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 TO 4 FT. RAIN LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 3 TO 5 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
5 FT, EXCEPT 5 TO 7 FT AT THE BAY ENTRANCE. A CHANCE OF RAIN IN
THE AFTERNOON.
WED NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 3 TO 5 FT. RAIN LIKELY.
THU THROUGH FRI NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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